CN215120189U - External charging control circuit of mobile lighting equipment and device thereof - Google Patents
External charging control circuit of mobile lighting equipment and device thereof Download PDFInfo
- Publication number
- CN215120189U CN215120189U CN202120882287.0U CN202120882287U CN215120189U CN 215120189 U CN215120189 U CN 215120189U CN 202120882287 U CN202120882287 U CN 202120882287U CN 215120189 U CN215120189 U CN 215120189U
- Authority
- CN
- China
- Prior art keywords
- effect transistor
- field effect
- mobile lighting
- charging control
- external
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to mobile lighting equipment accuse external device field relates to a mobile lighting equipment's external charging control circuit and device thereof, include: the charger comprises a single chip microcomputer U2, a charging unit, a switch unit and a charger access detection unit, wherein the charging unit, the switch unit and the charger access detection unit are all connected with the single chip microcomputer U2; the switching unit includes: the output end of the switch SW1 is connected with the singlechip U2, the grid electrode of the field effect transistor Q2 is connected with the PCK end of the singlechip U2, the drain electrode of the field effect transistor Q2 is connected with the positive electrode access end CHG + on the charging unit, and the source electrode of the field effect transistor Q2 is grounded. The mobile lighting device has the advantages that the working state of the mobile lighting device can be conveniently controlled, and an external charging control device can be used for connecting an external power supply with the mobile lighting device to supply power to the mobile lighting device.
Description
Technical Field
The utility model belongs to the external device field of mobile lighting equipment relates to a mobile lighting equipment's external charging control circuit and device thereof.
Background
At present, when the mobile lighting equipment is controlled to work, the mobile lighting equipment is mainly controlled to work through a control key on the mobile lighting equipment, so that the control mode of the mobile lighting equipment is single, and the mobile lighting equipment is not convenient enough.
Disclosure of Invention
An object of the utility model is to prior art not enough, provide a mobile lighting device's external charging control circuit and device, can enough conveniently control the operating condition of mobile lighting device, can use external charging control device to be connected external power source and mobile lighting device again in order to supply power for mobile lighting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an external charging control circuit of a mobile lighting device, comprising: the charger comprises a single chip microcomputer U2, a charging unit, a switch unit and a charger access detection unit, wherein the charging unit, the switch unit and the charger access detection unit are all connected with the single chip microcomputer U2;
the switching unit includes: the output end of the switch SW1 is connected with the singlechip U2, the grid electrode of the field effect transistor Q2 is connected with the PCK end of the singlechip U2, the drain electrode of the field effect transistor Q2 is connected with the positive electrode access end CHG + on the charging unit, and the source electrode of the field effect transistor Q2 is grounded.
Further, the charger access detection unit includes: resistance R8 and resistance R9, the positive input VIN +, that is used for being connected with external power source on the charging unit is connected to the one end of resistance R8, the other end of resistance R8 is connected with singlechip U2's PGC end, resistance R9 one end is connected with singlechip U2's PGC end, resistance R9 other end ground connection.
Further, the charging unit includes: the power management device comprises a power management chip U1, a field effect transistor Q1 and a triode Q3, wherein the base electrode of the triode Q3 is connected with the PGD end of the singlechip U2, the emitter electrode of the triode Q3 is connected with the negative electrode access end CHG-on the charging unit, the collector electrode of the triode Q3 is connected with the grid electrode of the field effect transistor Q1, the drain electrode of the field effect transistor Q1 is connected with the positive electrode access end CHG + on the charging unit, and the source electrode of the field effect transistor Q1 is connected with the BAT end of the power management chip U1.
Furthermore, the type of the single chip microcomputer U2 is HC16P013A 0.
Further, the model of the power management chip U1 is SLM 5150.
Furthermore, a capacitor C7 is connected to two ends of the resistor R9.
Further, the charging unit further includes: and one end of the resistor R3 is connected with the grid of the field effect transistor Q1, and the other end of the resistor R3 is connected with the source of the field effect transistor Q1.
Further, the switching unit further includes: and one end of the resistor R5 is connected with the source electrode of the field effect transistor Q2, and one end of the resistor R5 is connected with the grid electrode of the field effect transistor Q2.
The utility model also provides an external charging control device, include: the circuit board, have on the circuit board the external control circuit that charges of a mobile lighting device, charge controlling means still includes: the connecting wire is used for electrically connecting the charging control device with an external power supply.
Further, the external charging control device: the power supply interface is used for supplying power to the mobile lighting equipment and is connected with the charging unit.
The utility model has the advantages that:
by combining the singlechip U2, the charging unit, the switch unit and the charger access detection unit, when the mobile lighting equipment needs to be indirectly controlled, the mobile lighting equipment is connected with the external charging control device, and after the VIN end of the charging unit of the external charging control device detects an input 5V signal, the signal is intelligently judged in the singlechip U2 through the singlechip U2 control signal, so that the field-effect tube Q1 is turned off or turned on, and the mobile lighting equipment is charged; when the switch SW1 is pressed down, the PCK pin of the singlechip U2 is used for detecting, and the field effect transistor Q2 is controlled to be switched off or switched on, so that the on-off of the mobile lighting equipment or other lighting lamps is controlled, the on-off of the lamps is indirectly controlled, the purpose of increasing the application range of the mobile lighting equipment is achieved, and the mobile lighting equipment can have longer endurance time; through setting the resistor R8 and the resistor R9, the single chip microcomputer U2 can detect whether the charger is connected or not through the PGC end; by arranging the resistor R3, the resistor R3 can form a ground resistor to play a role in limiting current, so that the field effect transistor Q1 is prevented from being burnt out by hanging conduction, and the service life of the external charging control circuit is prolonged; through setting up resistance R5, can prevent that field effect transistor Q2 from hanging to switch on and burn out to further reinforcing external charge control circuit's life.
Drawings
Fig. 1 is a schematic diagram of the charging unit of the present invention;
FIG. 2 is a schematic diagram of the control unit of the present invention;
fig. 3 is a schematic diagram of the charger access detection unit of the present invention;
fig. 4 is a schematic diagram of the switch unit of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, an external charging control circuit for a mobile lighting device includes: control unit, charging unit, switch element and charger access detecting element, charging unit the switch element reaches charger access detecting element all with the control unit is connected, the control unit includes singlechip U2, the switch element includes: the output end of the switch SW1 is connected with the single chip microcomputer U2, the gate of the field effect transistor Q2 is connected with the PCK end of the single chip microcomputer U2, the drain of the field effect transistor Q2 is connected with the positive electrode access end CHG + on the charging unit, the source of the field effect transistor Q2 is grounded, further, a resistor R2 is connected in series between the drain of the field effect transistor Q2 and the positive electrode access end CHG + on the charging unit, and the switch unit further comprises: the charging circuit comprises a resistor R5 and a resistor R2, wherein one end of the resistor R5 is connected with the source electrode of the field-effect tube Q2, one end of the resistor R5 is connected with the gate electrode of the field-effect tube Q2, and the resistor R2 is connected in series between the drain electrode of the field-effect tube Q2 and the positive electrode access end CHG + on the charging unit.
In this embodiment, the model of the single chip microcomputer U2 is HC16P013a0, a diode D2 is connected in series between the VDD terminal of the single chip microcomputer U2 and the positive electrode access terminal CHG + of the charging unit, a capacitor C4 and a capacitor C5 are sequentially connected to the output terminal of the diode D2, the other ends of the capacitor C4 and the capacitor C5 are grounded, a capacitor C3 is connected between the VDD terminal of the single chip microcomputer U2 and the VSS terminal of the single chip microcomputer U2, a capacitor C6 is further connected to the VPP terminal of the single chip microcomputer U2, and the other end of the capacitor C6 is grounded.
In the above embodiment, the charger access detection unit includes: resistance R8 and resistance R9, the one end of resistance R8 is connected to the positive input end VIN +, who is used for being connected with external power source on the charging unit, resistance R8's the other end and singlechip U2's PGC end are connected, resistance R9 one end is connected with singlechip U2's PGC end, resistance R9 other end ground connection, it is further, resistance R9 both ends still are connected with electric capacity C7, and electric capacity C7 can filter the high frequency signal through resistance R9.
When the mobile lighting device is used, whether the charger is connected or not is detected by the PGC end of the single chip microcomputer U2, when the VIN end is connected with an external charger, the VIN _ AD detects a voltage, the BAT _ CTR end of the single chip microcomputer U2 is controlled, the triode Q3 is controlled to be conducted, the field-effect transistor Q1 is pulled down to the ground and conducted, the lamp can be controlled to be on, when the external charger is connected with the VIN, the lamp of the mobile lighting device can emit light, and after the external charger is disconnected with the external charging control device, the lamp of the mobile lighting device is extinguished.
In the above embodiment, the charging unit includes: a power management chip U1, a field effect transistor Q1 and a triode Q3, wherein the base of the triode Q3 is connected with the PGD end of the singlechip U2, the emitter of the triode Q3 is connected with the negative electrode access end CHG-on the charging unit, the collector of the triode Q3 is connected with the grid of the field effect transistor Q1, the drain of the field effect transistor Q1 is connected with the positive electrode access end CHG + on the charging unit, the source of the field effect transistor Q1 is connected with the BAT end of the power management chip U1, the charging unit is further provided with a negative electrode input end VIN-, the VCC end of the power management chip U1 is connected with the positive electrode input end VIN +, the CE end of the power management chip U1 is connected with the VCC end of the power management chip U1, the GND end of the power management chip U1 is connected with the negative electrode input end GND, and a diode D1 is connected between the negative electrode input end VIN + and the positive electrode input end VIN +, the two ends of the diode D1 are further connected with a capacitor C1, the TEMP end of the power management chip U1 is connected with the VCC end of the power management chip U1 after being connected with the resistor R1, the PROG end of the power management chip U1 is connected with the TEMP end of the power management chip U1 after being sequentially connected with the resistors R4 and R5, the PROG end of the power management chip U1 is further connected with the negative access end CHG "of the charging unit, the capacitor C2 is further connected between the field effect transistor Q1 and the BAT end of the power management chip U1, and the other end of the capacitor C2 is grounded, in this embodiment, the model of the power management chip U1 is SLM5150, and further, the charging unit further includes: and one end of the resistor R3 is connected with the grid of the field effect transistor Q1, and the other end of the resistor R3 is connected with the source of the field effect transistor Q1.
The utility model also provides an external charging control device, include: the circuit board, have on the circuit board the external control circuit that charges of a mobile lighting device, charge controlling means still includes: the external charging control device is used for electrically connecting the charging control device with an external power supply, and further comprises: the power supply interface is used for supplying power to the mobile lighting equipment and is connected with the charging unit.
The working principle is as follows: when the mobile lighting equipment is connected with the external charging control device, the single chip microcomputer U2 gets electricity through a CHG + end on the power supply unit, so that the single chip microcomputer U2 works, the single chip microcomputer U2 outputs high level through a PGD end, so that the conduction of the triode Q3 is controlled, the field effect transistor Q1 is pulled down to the ground, so that the field effect transistor Q1 is conducted, the power management chip U1 starts to work, the power management chip U1 detects that the internal voltages of the external lamp are different, different currents are adjusted to charge according to the detected voltages, and the external mobile lighting equipment is charged through the CHG + end and the CHG-end, so that the remote charging of the mobile lighting equipment is realized; when the switch SW1 is pressed, the VPP end of the single chip microcomputer U2 detects a low level, the PCK pin waveform is controlled through the inside of the single chip microcomputer U2, the on and off of the field effect transistor Q2 are controlled, and the CHG + end is controlled to control the on and off of the mobile lighting equipment, so that the purpose of indirectly controlling the LED lamp is achieved.
The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An external charging control circuit of a mobile lighting device, comprising: the charger comprises a single chip microcomputer U2, a charging unit, a switch unit and a charger access detection unit, wherein the charging unit, the switch unit and the charger access detection unit are all connected with the single chip microcomputer U2;
the switching unit includes: the output end of the switch SW1 is connected with the singlechip U2, the grid electrode of the field effect transistor Q2 is connected with the PCK end of the singlechip U2, the drain electrode of the field effect transistor Q2 is connected with the positive electrode access end CHG + on the charging unit, and the source electrode of the field effect transistor Q2 is grounded.
2. The external charging control circuit of claim 1, wherein the charger access detection unit comprises: resistance R8 and resistance R9, the positive input VIN +, that is used for being connected with external power source on the charging unit is connected to the one end of resistance R8, the other end of resistance R8 is connected with singlechip U2's PGC end, resistance R9 one end is connected with singlechip U2's PGC end, resistance R9 other end ground connection.
3. The external charging control circuit of the mobile lighting device according to claim 1, wherein the charging unit comprises: the power management device comprises a power management chip U1, a field effect transistor Q1 and a triode Q3, wherein the base electrode of the triode Q3 is connected with the PGD end of the singlechip U2, the emitter electrode of the triode Q3 is connected with the negative electrode access end CHG-on the charging unit, the collector electrode of the triode Q3 is connected with the grid electrode of the field effect transistor Q1, the drain electrode of the field effect transistor Q1 is connected with the positive electrode access end CHG + on the charging unit, and the source electrode of the field effect transistor Q1 is connected with the BAT end of the power management chip U1.
4. The external charging control circuit of the mobile lighting device as claimed in claim 1, wherein the type of the single chip microcomputer U2 is HC16P013A 0.
5. The external charging control circuit of claim 3, wherein the power management chip U1 is model number SLM 5150.
6. The external charging control circuit of claim 2, wherein a capacitor C7 is further connected to two ends of the resistor R9.
7. The external charging control circuit of the mobile lighting device according to claim 3, wherein the charging unit further comprises: and one end of the resistor R3 is connected with the grid of the field effect transistor Q1, and the other end of the resistor R3 is connected with the source of the field effect transistor Q1.
8. The external charging control circuit of a mobile lighting device as claimed in any one of claims 1 to 7, wherein the switch unit further comprises: and one end of the resistor R5 is connected with the source electrode of the field effect transistor Q2, and one end of the resistor R5 is connected with the grid electrode of the field effect transistor Q2.
9. An external charging control device, comprising: the circuit board, have the external control circuit that charges of a mobile lighting device of any one of claims 1-8 on the circuit board, the control device that charges still includes: the connecting wire is used for electrically connecting the charging control device with an external power supply.
10. The external charging control device of claim 9, wherein the external charging control device: the power supply interface is used for supplying power to the mobile lighting equipment and is connected with the charging unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120882287.0U CN215120189U (en) | 2021-04-27 | 2021-04-27 | External charging control circuit of mobile lighting equipment and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120882287.0U CN215120189U (en) | 2021-04-27 | 2021-04-27 | External charging control circuit of mobile lighting equipment and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215120189U true CN215120189U (en) | 2021-12-10 |
Family
ID=79272310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120882287.0U Active CN215120189U (en) | 2021-04-27 | 2021-04-27 | External charging control circuit of mobile lighting equipment and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215120189U (en) |
-
2021
- 2021-04-27 CN CN202120882287.0U patent/CN215120189U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210038590U (en) | Voltage output circuit and electron cigarette | |
| CN103427821A (en) | Power management device realizing zero standby current | |
| CN101026917A (en) | Solar LED lamp circuit | |
| CN101711073B (en) | Flashing circuit and signal lamp | |
| CN205484725U (en) | Battery low power indicating circuit and portable electronic equipment | |
| CN215120189U (en) | External charging control circuit of mobile lighting equipment and device thereof | |
| CN101937016A (en) | Low voltage promoting device | |
| CN201059458Y (en) | Intelligence lamp | |
| CN105356554A (en) | Double color LED state indicating apparatus | |
| CN103969599B (en) | Discharge time tested circuit by light fixture | |
| CN113411931B (en) | LED silicon controlled rectifier dimming quick response circuit and LED lighting device | |
| CN105072779A (en) | Solar street lamp controller with mains supply charging function | |
| CN218388015U (en) | Desk lamp circuit and desk lamp thereof | |
| CN2824403Y (en) | Temp controlled automatic charger with three colour LED | |
| CN218276153U (en) | Charging circuit compatible with two charging modes and mobile lighting equipment thereof | |
| CN113966052A (en) | Intelligent control circuit | |
| CN218388026U (en) | Control circuit for walking stick and walking stick thereof | |
| CN218633383U (en) | Flashlight charging box circuit, flashlight charging box, flashlight circuit, flashlight and assembly thereof | |
| CN219576678U (en) | Discharge control circuit for lithium battery and mobile lighting equipment thereof | |
| CN218276717U (en) | Novel infrared probe | |
| CN217689317U (en) | Electric quantity display circuit and bluetooth sound equipment | |
| CN214663818U (en) | Combined lighting equipment convenient to assemble and disassemble | |
| CN217984627U (en) | Control circuit for pen lamp charging base and charging base thereof | |
| CN218634350U (en) | Detection circuit for mobile lighting equipment | |
| CN211655760U (en) | Lithium battery dynamic charging and discharging management circuit based on hardware control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |